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danieljbruce
944904d38e
* test cases for toTwosComplement * test cases for to twos complement * removed unnecessary code
42 lines
1.9 KiB
JavaScript
42 lines
1.9 KiB
JavaScript
/**
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* Created by danielbruce on 2017-09-25.
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*/
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/**
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* Created by danielbruce on 2017-09-25.
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*/
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var chai = require('chai');
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var utils = require('../lib/utils/utils');
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var BigNumber = require('bignumber.js');
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var assert = chai.assert;
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var tests = [
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{ value: 1, expected: new BigNumber(1).round() },
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{ value: '1', expected: new BigNumber(1) },
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{ value: '0x1', expected: new BigNumber(1) },
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{ value: '15', expected: new BigNumber(15)},
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{ value: '0xf', expected: new BigNumber(15)},
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{ value: -1, expected: new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(new BigNumber(-1)).plus(1)},
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{ value: '-1', expected: new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(new BigNumber(-1)).plus(1)},
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{ value: '-0x1', expected: new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(new BigNumber(-1)).plus(1)},
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{ value: '-15', expected: new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(new BigNumber(-15)).plus(1)},
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{ value: '-0xf', expected: new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(new BigNumber(-15)).plus(1)},
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{ value: 0, expected: new BigNumber(0)},
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{ value: '0', expected: new BigNumber(0)},
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{ value: '0x0', expected: new BigNumber(0)},
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{ value: -0, expected: new BigNumber(0)},
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{ value: '-0', expected: new BigNumber(0)},
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{ value: '-0x0', expected: new BigNumber(0)},
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{ value: new BigNumber(15), expected: new BigNumber(15)}
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];
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describe('lib/utils/utils', function () {
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describe('toTwosComplement', function () {
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tests.forEach(function (test) {
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it('printing ' + test.value, function () {
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assert(test.expected.equals(utils.toTwosComplement(test.value)));
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});
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});
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});
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});
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